Top Home Addition Contractors in Northern Virginia – Add Space with AZA Builders

When your home feels too small but moving isn’t the answer, a home addition contractor is the solution. At AZA Builders, we help families across Fairfax, Arlington, and Loudoun County add space, style, and value with seamless home additions.

From kitchen bump-outs to second-story builds, we handle everything design, permits, construction, and final inspection. As a licensed and insured, company, you can count on us for craftsmanship and trust.

Why Northern Virginia Homeowners Choose AZA Builders for Home Additions

Choosing the right contractor makes or breaks your project. Here’s why AZA Builders is the preferred choice for home addition contractors near me in Northern Virginia:

• Locally trusted. We bring discipline, integrity, and precision to every project.
• Licensed & insured. Full compliance with state and county building codes.
• Permit assistance. We handle paperwork in Fairfax, Loudoun, Arlington, and beyond.
• Single-point project management. From design to inspection, you get one dedicated team.
• Local expertise. We know the soil, zoning, and neighborhood rules across Northern VA.
• Proven results. Dozens of additions completed – from compact room expansions to luxury second stories.

“AZA Builders made our Leesburg kitchen extension stress-free. They managed permits, stayed on budget, and the final result is stunning.” Local homeowner testimonial

Types of Home Additions We Build

Every family’s needs are different. That’s why we offer a range of home additions in Northern Virginia tailored to your lifestyle.

Room Additions (Bedrooms, Offices)

Need a guest bedroom, nursery, or home office? A simple room addition in Fairfax or Arlington runs 150–300 sq. ft. and adds immediate resale value.

Kitchen Extensions & Bump-Outs

Perfect for families who love to cook and entertain. Add 100–200 sq. ft. to your kitchen, upgrade your layout, and enjoy more storage. Learn more on our Kitchen Remodeling page.

Second-Story Additions

Running out of space? Go up, not out. Adding a second story in Loudoun County or McLean doubles your living space and transforms your home’s curb appeal.

Sunrooms & Conservatories

Bring the outdoors in with a four-season sunroom. Whether in Falls Church or Reston, sunrooms create cozy, light-filled retreats.

Garage Conversions & ADUs

Turn your garage into a rental unit, gym, or guest suite. Explore our Garage Conversion services for creative ways to maximize space.

Basement Additions / Finished Basements

Unlock hidden square footage. Our Basement Renovations create entertainment areas, guest suites, or home theaters.

Also Read this: The Complete Home Addition Design Process: How AZA Builders Transforms Northern Virginia Homes

How Much Do Home Additions Cost in Northern Virginia?

Costs vary widely, but here’s a realistic home addition cost framework for Northern VA:

• Room Addition (200 sq. ft.) → $40,000 – $65,000
• Kitchen Bump-Out (100–150 sq. ft.) → $30,000 – $55,000
• Second Story Addition (800–1,200 sq. ft.) → $160,000 – $280,000
• Sunroom/Conservatory (150–250 sq. ft.) → $35,000 – $70,000
• Garage Conversion / ADU → $40,000 – $80,000

Cost Drivers

• Permits and inspections (Fairfax/Loudoun: $2,000–$5,000)
• Structural changes (foundation, roof work)
• Site access (tight lots cost more in Arlington vs. open space in Gainesville)
• Finishes (luxury tile vs. builder-grade)

Our Process – From Design to Final Inspection

With AZA Builders, you’ll never wonder “what’s next.” Here’s how we simplify the home addition design process:

1. Free Consultation & Estimate – On-site or virtual.
2. Design & 3D Renderings – See your new space before we build.
3. Permits & Approvals – We handle all county paperwork.
4. Demolition & Site Prep – Clean and efficient start.
5. Construction – Licensed contractors, premium materials.
6. Final Walkthrough – Ensure every detail is right.
7. Warranty Coverage – Peace of mind after completion.

Typical timelines:

• Room addition → 8–12 weeks
• Kitchen bump-out → 6–10 weeks
• Second story → 12–20 weeks

Finding the Right Home Addition Contractor- 8 Red Flags & 8 Signs of a Pro

Red Flags

• No license or insurance
• Cash-only payments
• No written contract
• Poor or no reviews
• Vague timelines
• Low-ball estimates
• No permit knowledge
• Can’t show past work

Signs of a Pro

• Licensed & insured (ask for proof)
• Clear contract with scope & pricing
• Local references and reviews
• Strong portfolio of additions
• Transparent permit process
• Fixed milestones and timeline
• Warranty on workmanship
• Dedicated project manager

Local Projects & Case Studies

Fairfax Kitchen Bump-Out

• Challenge: Small, outdated kitchen.
• Solution: 120 sq. ft. extension, quartz counters, open concept.
• Result: Increased home value by $65,000.

Leesburg Second Story

• Challenge: Growing family, no lot space.
• Solution: 900 sq. ft. second story with 3 bedrooms + bath.
• Result: Doubled living space, resale-ready.

McLean Sunroom

• Challenge: Dark home interior.
• Solution: 200 sq. ft. glass sunroom with climate control.
• Result: Year-round light-filled retreat.

Frequently Asked Questions

Q: How do I find a contractor for home additions?
A: Look for licensed, insured contractors with local references and clear contracts.

Q: How much does a home addition cost in Northern Virginia?
A: Costs range $30,000–$250,000+, depending on size, finishes, and location.

Q: Do I need permits for a home addition in Fairfax or Loudoun?
A: Yes. Most structural additions require permits and inspections. We handle this for you.

Q: How long does a room addition take?
A: Most room additions take 8–12 weeks from permits to completion.

Q: Can you build a second-story addition without moving out?
A: In some cases, yes. Temporary relocation may be needed for large projects.

Q: Do you offer financing or payment plans?
A: Yes. Ask about our flexible financing options for home additions.

Q: What warranties do you provide?
A: AZA Builders offers a labor and materials warranty, plus manufacturer coverage.

Service Areas – Northern Virginia Home Addition Experts

We proudly serve:
Gainesville, Haymarket, Fairfax, Arlington, Falls Church, Leesburg, McLean, Fredericksburg, Oakton, Great Falls, Burke, Reston, Centerville, Fairfax Station, and Woodbridge.

Finale

When it comes to choosing reliable home addition contractors in Northern Virginia, homeowners across Fairfax, Arlington, Loudoun, McLean, Reston, and beyond continue to trust AZA Builders. Our veteran-owned, licensed, and insured team brings years of hands-on experience, transparent pricing, and a proven design-to-completion process that makes expanding your home simple and stress-free. Whether you’re planning a second-story addition, a new sunroom, or a kitchen bump-out, we’re here to bring your vision to life while boosting your property value.
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Get Your Free Home Addition Estimate Today

Your home deserves more space and you deserve a contractor you can trust.